[P] 第6分野　材料プロセッシング　P31～P36

[P62] Microstructure and Mechanical Properties of an Al_0.3CoCrFeNi High Entropy Alloy Produced by Laser Powder Bed Fusion

○Haotian Sun¹, Naoyuki Hashimoto¹, Hiroshi Oka¹, Qingyan Xue¹, Shigehito Isobe¹ (1. Hokkaido University)

Keywords:

High entropy alloys,Laser powder bed fusion,Microstructure

An Al₀.₃CoCrFeNi high-entropy alloy was fabricated by laser powder bed fusion, and the effects of processing parameters on microstructure and mechanical properties were investigated. An optimal energy density window yielding a dense single-phase FCC structure with enhanced strength was identified.